BIS — ProShares UltraShort Nasdaq Biotechnology
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
Dividends
Largest institutional holders
| manager | value | shares |
|---|---|---|
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 582.3K | 65.9K |
| Tower Research Capital LLC (TRC) | 23.4K | 2.6K |
| MORGAN STANLEY | 21 | 2 |
| UBS Group AG | 9 | 1 |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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